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Vibration Diagnostics Testing

Vibration diagnostics are used to identify the root cause of noise and vibration problems in machinery.

 

 

In standard vibration diagnostics testing, techniques such as these are used to detect abnormal vibration characteristics.

  • Operating deflection shape (ODS) analysis
  • Spectral analysis
  • Order tracking
  • Joint time frequency (waterfall) analysis
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These techniques are applicable to a broad range of vibration related problems such as:

  • Fatigue failures
  • Excessive noise & Resonance
  • Manufacturing process quality issues
  • Structural vibration
  • Abnormal wear
  • Floor vibration
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Recent Diagnostics Testing

Recent vibration diagnostics applications include:

  • Failure investigation of a high-speed mixer
  • Detuning resonant vibration of a digester lid
  • Vibration reduction in a large centrifugal pump
  • Vacuum motor rotor dynamic resonance control
  • Vibration control in an x-ray machine
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Advanced Vibration Measurement & Analysis

SimuTech Group’s expertise in advanced vibration measurements and services has gained recognition across North America due to our quality of analysis and commitment to precision, allowing businesses to approach their engineering problems with confidence.

Advanced techniques for testing includes modal testing (rap testing or bump testing), operating deflection shape (ODS) analysis, strain gage measurements, spectrum (signature) analysis, order tracking, joint time frequency (waterfall) analysis, demodulation and finite element analysis (FEA).

These capabilities plus state-of-the-art equipment, enables SimuTech to diagnose the root cause of noise and vibration problems.

Quality Solutions at Competitive Pricing

Based on a clear understanding of the problem, SimuTech Group provides practical solutions including specification of isolation systems, tuned mass dampers, surface damping treatments, shaft balance and alignment procedures, excitation source control, repair procedures, natural frequency detuning, and active vibration control.

SimuTech Group’s vibration diagnostics and troubleshooting services offer advanced techniques at competitive prices with an emphasis on communication and customer service.

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Why Noise and Vibration Testing?

 

Noise and vibration testing is extremely flexible in application and can be used in almost any field with a dynamic system. NV testing can be performed without causing alteration or damage to the structure while being sensitive to design, manufacture, and operation.

Below is a non-exhaustive list of examples:

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  • Identify source of abnormal acoustic emission (example: LNG compressor oil and gas industry)
  • Identify source of abnormal vibration (example: ship to shore crane)
  • Identify source of abnormal wear (example: oven conveyor)
  • Ascertain cause of unexplained vibration (example: boiler feed pump)
  • Ascertain cause of unexplained noise (example: imagining equipment X-ray machine)
  • Improve quality of vibration (example: 3D printer)
  • Improve sound quality (example: kitchen blender)
  • Determine and reduce unexpected noise and vibration levels (example: dry dock crane)
  • Detect cavitation in pump (example: municipal water supply)
  • Characterize fluid instability (example: industrial mixer)
  • Verify presence of gear wear and provide direction to reduce wear (example: power tool power train)
  • Establish if dynamic concerns are related to assembly (example: generator end windings)
  • Describe motion of components that are designed to move in a particular path (example: oil and gas sifter equipment)
  • Explain how and why changes in design resulted in higher vibration or noise (example: centrifugal impeller)
  • Design optimization for oscillating equipment (example: personal grooming device)

 

 

Contact for Vibration Diagnostics Testing

 

 

Related Mechanical Testing Services Offered

 

Moment Weighing Testing

Measure and analyze blade weight and the COG location to determine the optimum blade stacking position.

Torsional Vibration

Determine the natural frequencies and mode shapes of a rotor train as it twists about the axis of rotation.

Turbine Blade Frequency

For new, refurbished, or reverse engineered turbine blades (buckets) to ensure that natural frequencies are within specifications.